CONSTRUCTION METHOD FOR TUNNEL HAVING LARGE CROSS-SECTION

PROBLEM TO BE SOLVED: To provide a construction method that reduces an underground occupant area of a starting portion of an outer shell shield tunnel constructed outside of a main-track shield tunnel, at the same time curtailing a construction period and mitigating impacts on a surrounding ground,...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	OKI TOMOAKI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
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